Owner's manual

TROUBLE-SHOOTING GUIDE
MACHINE DOES NOT FEED
BOBBIN THREAD BREAKS
• Is drop feed up?
• Is the bobbin thread jammed in the hook or
• Is needle plate correctly installed?
bobbin case?
• Is presser bar pressure too light?
• Is the bobbin tension set too tight?
• Is the hand wheel clutch screw tight?
• Is the thread properly threaded in the
• Is the stitch length control dial set at “0" position?
bobbin case?
NEEDLE BREAKS
STITCH SKIPPING OCCURS
• Is needle inserted and tightened correctly; is it
• Is the needle inserted correctly and straight?
straight?
• Is the needle of poor quality or of the wrong size?
• Is the cloth being pulled excessively but
• Is the upper thread properly threaded?
unknowingly?
• Is the thread used proper for the material
• Are proper needle and thread being used for the
being sewn?
type of fabric being sewn?
• Are the bobbin case and feed dogs free from lint?
UPPER THREAD BREAKS
THREAD LOOPS OCCUR
• Is the machine properly threaded?
• Is the upper tension and bobbin tension properly
• Is the needle good?
adjusted?
• Is the thread too heavy for the needle hole?
PUCKERING OCCURS
• Is the upper tension set too tight?
• Is the tension too tight?
• Is thread jammed somewhere between spool
• Is the needle threaded properly?
and needle?
Is bobbin thread wound evenly on the bobbin?
Is the pressure of the presser bar too weak?
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